National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Mostly Cloudy

59°F

15°C

Humidity 44%
Wind Speed E 10 mph
Barometer 30.18 in (1018.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 May 3:53 pm MDT
Extended Forecast for

Keystone SD

  • Tonight

    Tonight: Mostly clear, with a low around 44. North wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. West wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. North wind 6 to 9 mph becoming west after midnight.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Northwest wind 9 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming clear, with a low around 47. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 47 °F

    Slight Chance
    T-storms then
    Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 71. West wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49. Southeast wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 69. West wind 10 to 15 mph becoming north in the morning. Winds could gust as high as 22 mph.

    High: 69 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 44. North wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 72. West wind 6 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 48. North wind 6 to 9 mph becoming west after midnight.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Northwest wind 9 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming clear, with a low around 47. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 71. West wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49. Southeast wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 69. West wind 10 to 15 mph becoming north in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 60.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 65.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 45.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Keystone SD
 43.89°N 103.43°W (Elev. 4541 ft)
Last Update:
4:12 pm MDT May 10, 2024
Forecast Valid:
4pm MDT May 10, 2024-6pm MDT May 17, 2024
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation